公开(公告)号：US4883734A

公开(公告)日：1989-11-28

申请号：US162801

申请日：1988-03-01

申请人： Satoru Ikeuchi ,  Mitutaka Arai ,  Yuki Okuyama ,  Hideki Yuri ,  Tomoo Shiohara ,  Yasuhiko Oyama

发明人： Satoru Ikeuchi ,  Mitutaka Arai ,  Yuki Okuyama ,  Hideki Yuri ,  Tomoo Shiohara ,  Yasuhiko Oyama

IPC分类号： G03G9/087

CPC分类号： G03G9/08726

摘要： Disclosed are a toner for development of electrostatic image, comprising as the main component a resin obtained by allowing a polymer containing a polymer component with low molecular weight and a polymer component with high molecular weight, at least the polymer component with low molecular weight containing a carboxylic acid component, to react with a polyvalent metal compound, and a method of fixing a toner image employing the toner described above.According to the present invention, there can be provided a toner for development of electrostatic image which has more improved fixability without lowering the anti-off-set property already improved, and also which can be prepared with good reproducibility without causing gelation to occur although the metal compound may be formulated therein, and can be improved in fixability without making charging characteristics unstable and at the same time without bringing about lowering in anti-off-set property, and thus an excellent toner image can be fixed.

摘要翻译： 公开了一种用于静电图像显影的调色剂，其包含通过使含有低分子量聚合物组分的聚合物和具有高分子量的聚合物组分的聚合物作为主要组分，至少含有低分子量的聚合物组分含有 羧酸组分与多价金属化合物反应，以及使用上述调色剂固定调色剂图像的方法。 根据本发明，可以提供一种用于显影静电图像的调色剂，其具有更好的定影性而不降低已经改善的防脱离性能，并且还可以制备具有良好的再现性而不引起凝胶化，尽管 金属化合物可以配制在其中，并且可以提高定影性而不使充电特性不稳定，同时不会降低防脱离性，因此可以固定优异的调色剂图像。

公开(公告)号：US4882258A

公开(公告)日：1989-11-21

申请号：US161784

申请日：1988-02-29

申请人： Satoru Ikeuchi ,  Mitutaka Arai ,  Yuki Okuyama ,  Akitoshi Matsubara

发明人： Satoru Ikeuchi ,  Mitutaka Arai ,  Yuki Okuyama ,  Akitoshi Matsubara

IPC分类号： G03G9/087 ,  G03G9/113

CPC分类号： G03G9/08793 ,  G03G9/08726 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/1134

摘要： There are disclosed a toner for development of an electrostatic image which comprises containing (a) a mixture of a lower molecular weight polymer component and a higher molecular weight polymer component, and said lower molecular polymer component is a resin obtained by reacting a polymer containing a carboxylic acid component with a polyvalent metal compound to form cross-linking through a metal atom and (b) offset preventive agent; and also an electrostatic latent image developer which comprises (A) toner particles mainly comprising a resin obtained by reacting a carboxy group existing in a polymer component with a polyvalent metal compound and (B) resin coated-carrier particles coated with a fluorine-containing resin on a surface of a magnetic particle or inorganic fine particles.

摘要翻译： 公开了用于显影静电图像的调色剂，其包含（a）低分子量聚合物组分和较高分子量聚合物组分的混合物，所述低分子量聚合物组分是通过使包含 羧酸组分与多价金属化合物通过金属原子形成交联，和（b）防偏移剂; 以及静电潜像显影剂，其包含（A）主要包含通过聚合物组分中存在的羧基与多价金属化合物反应获得的树脂的调色剂颗粒和（B）涂覆有含氟树脂的树脂涂布载体颗粒 在磁性颗粒或无机细颗粒的表面上。

公开(公告)号：US4868078A

公开(公告)日：1989-09-19

申请号：US139642

申请日：1987-12-30

申请人： Eiichi Sakai ,  Yuki Okuyama ,  Yoshihide Fujimaki ,  Toshinori Yamazaki ,  Satoru Ikeuchi

发明人： Eiichi Sakai ,  Yuki Okuyama ,  Yoshihide Fujimaki ,  Toshinori Yamazaki ,  Satoru Ikeuchi

IPC分类号： G03G5/14 ,  G03G5/082 ,  G03G5/147 ,  G03G9/08

CPC分类号： G03G5/0825 ,  G03G5/08235 ,  G03G5/14704 ,  G03G9/0819

摘要： An electrophotographic image forming method is disclosed. The method comprises the steps of developing an electrostatic image formed on an image-forming member with a particulate toner for forming a toner image and transferring said toner image onto a receiving material, in which the image-forming member has a surface-improving layer comprised principally of amorphous silicon, and the toner has a weight average particle size within the range of from 1 .mu.m to 6 .mu.m and contains a constituent having a weight average particle size of not more than 5 .mu.m which accounts for not less than 20% by weight of the whole amount of the toner. An electrophotographic copy bearing a high-resolution and high-quality image can be stably obtained by this method.

摘要翻译： 公开了电子照相图像形成方法。 该方法包括以下步骤：用形成调色剂图像的微粒调色剂显影形成在图像形成部件上的静电图像，并将所述调色剂图像转印到接收材料上，其中图像形成部件具有包含表面改性层 主要是非晶硅，并且调色剂的重均粒径在1μm至6μm的范围内，并且含有重量平均粒径不大于5μm的组分，其不少于20 占全部量的调色剂的重量％。 通过该方法可以稳定地获得具有高分辨率和高质量图像的电子照相复印件。

公开(公告)号：US5171654A

公开(公告)日：1992-12-15

申请号：US746721

申请日：1991-08-19

申请人： Hiroshi Yamazaki ,  Yuki Okuyama ,  Yoshiaki Koizumi ,  Isao Endou ,  Satoru Ikeuchi

发明人： Hiroshi Yamazaki ,  Yuki Okuyama ,  Yoshiaki Koizumi ,  Isao Endou ,  Satoru Ikeuchi

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08706 ,  G03G9/0815 ,  G03G9/08704 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08728

摘要： A toner for electrostatic image developing is disclosed. It is prepared by giving a mechanical impact force to radically polymerized particles containing a colorant and a low molecular weight polyolefine so as to have the low molecular weight polyolefine exist at a ratio of 5 to 40% by number on a surface of the particles. The toner has a uniform and good electrification property, high fixability and no offsetting property.

摘要翻译： 公开了一种用于静电图像显影的调色剂。 通过对包含着色剂和低分子量聚烯烃的自由基聚合的颗粒施加机械冲击力，使得低分子量聚烯烃以颗粒表面的5〜40数量％的比例存在而制备。 调色剂具有均匀且良好的起电性，高定影性和无偏移性。

公开(公告)号：US4968573A

公开(公告)日：1990-11-06

申请号：US942389

申请日：1986-12-16

申请人： Tadashi Kaneko ,  Yuki Okuyama ,  Mitsutaka Arai ,  Yoko Yamamoto ,  Satoru Ikeuchi

发明人： Tadashi Kaneko ,  Yuki Okuyama ,  Mitsutaka Arai ,  Yoko Yamamoto ,  Satoru Ikeuchi

IPC分类号： G03G9/10 ,  G03G9/113 ,  G03G13/09

CPC分类号： G03G9/10 ,  G03G13/09 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1135 ,  G03G9/1136

摘要： In a method of developing an electrostatic latent image formed on an electrostatic latent image-carrying member with a developer comprising a magnetic carrier and a toner in a non-contact manner under application of an oscillating electric field to a development region, the improvement comprising the surface of said magnetic carrier is covered with an insulating material, and magnetization (M) of said magnetic carrier when measured under application of a magnetic field of 1000 Oersted and weight average diameter (R) of the same expressed in terms of micro meter satisfy the following relation:30.ltoreq.M.ltoreq.-0.8 R+150(wherein 10.ltoreq.R.ltoreq.150).

摘要翻译： 在使用包含磁性载体和调色剂的显影剂在静电潜像承载构件上形成的静电潜像在对显影区域施加振荡电场的非接触方式下的方法中，其改进包括 所述磁性载体的表面被绝缘材料覆盖，并且当在施加1000微米的磁场和以微米表示的重量平均直径（R））下测量时，所述磁性载体的磁化强度（M）满足 以下关系：30

公开(公告)号：US4897330A

公开(公告)日：1990-01-30

申请号：US130686

申请日：1987-12-09

申请人： Hisashi Shoji ,  Satoshi Haneda ,  Kunihisa Yoshino ,  Yuki Okuyama

发明人： Hisashi Shoji ,  Satoshi Haneda ,  Kunihisa Yoshino ,  Yuki Okuyama

IPC分类号： G03G13/01

CPC分类号： G03G13/01 ,  Y10S430/101

摘要： An image forming method wherein a latent image is formed by subjecting an image retainer having a photoconductive layer to a image exposure, a toner image is formed by developing the latent image with a toner, each the step of forming the latent image and the step of forming the toner image are repeated at least one time, and a plurality of toner images formed on the image retainer to a transfer material. At least one of the toner images is formed with a toner which has a spectral transmissivity as to substantially absorb a visible light but transmit a light having a wavelength of 750 nm or more. The latent image is formed by subjecting the image retainer bearing the toner image to an image exposure with a light containing a wavelength component of 750 nm or more.

摘要翻译： 一种图像形成方法，其中通过使具有光电导层的图像保持器进行图像曝光来形成潜像，通过用调色剂显影潜像形成调色剂图像，每个形成潜像的步骤和步骤 形成调色剂图像至少一次，并且将形成在图像保持器上的多个调色剂图像重复到转印材料。 至少一个调色剂图像由调色剂形成，该调色剂具有基本上吸收可见光，但透射波长为750nm以上的光的光谱透射率。 通过使带有调色剂图像的图像保持器对包含波长分量为750nm以上的光进行图像曝光来形成潜像。

公开(公告)号：US4675268A

公开(公告)日：1987-06-23

申请号：US838889

申请日：1986-03-11

申请人： Ken-ichi Kishi ,  Kenzi Tuzita ,  Tuneo Daidoji ,  Yuki Okuyama ,  Kiyoshi Kimura

发明人： Ken-ichi Kishi ,  Kenzi Tuzita ,  Tuneo Daidoji ,  Yuki Okuyama ,  Kiyoshi Kimura

IPC分类号： G03G9/083 ,  G03G9/087 ,  G03G9/09 ,  G03G13/16

CPC分类号： G03G13/16 ,  G03G9/083 ,  G03G9/0836 ,  G03G9/08795 ,  G03G9/0904

摘要： This invention relates to a magnetic toner (3b) composed mainly of a magnetic material and a binder resin, in which the difference between the softening point and the softening initiation temperature of said magnetic toner (3b) is made 5.degree. C. or more to provide a magnetic toner (3b) which is suitable for pressing transfer, particularly pressing transfer by use of an intermediate transfer member and capable of giving stable running characteristics without causing off-set phenomenon according to a conventional developing system without use of no special developing system and regardless of the photosensitive member employed as well as good image quality on a plain paper.

摘要翻译： 本发明涉及主要由磁性材料和粘合剂树脂组成的磁性调色剂（3b），其中所述磁性调色剂（3b）的软化点和软化起始温度之间的差值为5℃以上，至 提供适合于压力传递的磁性调色剂（3b），特别是通过使用中间转印部件的压力传递，并且能够提供稳定的运行特性，而不会导致根据常规显影系统的偏移现象而不使用特殊的显影系统 并且不管在普通纸上使用的感光构件以及良好的图像质量。